CN102804513A - Method for integrally forming connector, and connector - Google Patents
Method for integrally forming connector, and connector Download PDFInfo
- Publication number
- CN102804513A CN102804513A CN2010800288697A CN201080028869A CN102804513A CN 102804513 A CN102804513 A CN 102804513A CN 2010800288697 A CN2010800288697 A CN 2010800288697A CN 201080028869 A CN201080028869 A CN 201080028869A CN 102804513 A CN102804513 A CN 102804513A
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- CN
- China
- Prior art keywords
- resin
- elastic resin
- connector
- terminal
- outer skin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/24—Assembling by moulding on contact members
Abstract
Provided is a method for integrally forming a connector, by which the number of parts can be reduced and productivity can be improved. The method has: a first step wherein an elastic resin (15) is injection-molded around a connecting section (9) and a coating section (5) end portion positioned on the connecting section (9) side, and the coating section (5) and the elastic resin (15) are bonded to each other; and a second step wherein a resin (17) is injection-molded around the elastic resin (15) such that the elastic resin (15) shrinks, the elastic resin (15) and a terminal (11) are pressure-welded, and the elastic resin (15) and the resin (17) are bonded to each other.
Description
Technical field
The present invention relates to a kind ofly make the integrated method of the connector with water resistance, and target connector.
Background technology
As the connector with water resistance, a kind of connector that conventionally known existence is such: electric wire and shell are by thermoplastic resin moulding integratedly, and the junction surface between each parts is with thermoplastic resin sealing (for example, the referenced patent document 1).
In above-mentioned connector, the water resistance of connector side depends on the shape of the counterpart that will be connected with this connector.In this connector,, in some cases,, otherwise exist wet goods to flow and the worry of diffusion along electric wire only if said connector side is sealed although, need not seal said counterpart side according to the kind of preventing wet goods.Needing under the situation of sealing mechanism, from reducing the viewpoint of number of parts and miniaturization, it is more efficient that sealing property is provided on the connector side.
To above-mentioned; Known a kind of like this connector; It is through be provided for covering integratedly terminal and cable with cladding material the two a resin forming part, sealing ring is assembled into the junction surface between a said resin forming part and the said cladding material; Be provided for covering secondary resin forming part and the moulding integratedly (for example, referring to patent documentation 2) of a said resin forming part, said cladding material and said sealing ring then.
In addition; Also known a kind of like this connector; It is through provide by be used for thermal insulation layer that synthetic resin that capped end interest integratedly belongs to auxiliary section and shielding wire forms, to the protuberance coated heat fusant of terminal metal auxiliary section; The shell that formed by the synthetic resin that is used to cover said thermal insulation layer, said shielding wire and said hot-melt object is provided then and moulding integratedly (for example, referring to patent documentation 3).
The prior art document
Patent documentation
Patent documentation 1: the open JP-A-2002-134220 of Japan Patent
Patent documentation 2: the open JP-A-2008-269858 of Japan Patent
Patent documentation 3: the open JP-A-2001-273946 of Japan Patent
Summary of the invention
The problem that the present invention will solve
Yet; Patent documentation 2 and 3 disclosed utilizations in the connector that resin comes hermetic terminal; Terminal normally forms by being applied in the metal of electroplating such as copper, aluminium, therefore, and under the situation of using the resin that metal is had cementability; When moulded resin, this resin also can adhere to metal die.In this case, damaged and be used for stripping feature that mould is removed from the resin that has hardened, this has caused the harmful effect of or alteration of form low such as productivity ratio, and is difficult to produce in batches.
In addition, in patent documentation 2 and 3 disclosed connectors, immerse from electric wire and terminal, except resin forming part or thermal insulation layer are set, also sealing ring or hot-melt object need be set although can suppress water.Therefore, number of parts and number of assembling steps have been increased.
To the problems referred to above, the purpose of this invention is to provide a kind of integrally moulded method of connector, wherein can reduce number of parts and boost productivity, and a kind of target connector is provided.
The solution of problem
According to the present invention; A kind of integral formation method of connector is provided; Be used to make the moulding integratedly of electric wire, terminal and covering, this electric wire has the core that is covered by outer skin zone, this terminal have with electric wire pass through to divest the connecting portion that core that said outer skin zone exposes links to each other; This covering is arranged on around the said connecting portion; Said method comprises: the first step, around said connecting portion and said outer skin zone be positioned near the end injection moulding elastic resin of this connecting portion, thereby outer skin zone and this elastic resin are engaged with each other; And second the step, around said elastic resin with the resin injection moulding so that compress this elastic resin, simultaneously, this elastic resin and resin are engaged with each other.
In addition; In integral formation method according to connector of the present invention; In said second step, be positioned near the said connecting portion zone with said resin injection moulding in the said elastic resin, and near the zone of said outer skin zone that is positioned in the said elastic resin is exposed.
According to the present invention, a kind of connector further is provided, comprising: electric wire, this electric wire have the core that covers with outer skin zone; Terminal, this terminal have with electric wire pass through to divest the connecting portion that core that said outer skin zone exposes links to each other; And covering; This covering is arranged on around the said connecting portion; Said electric wire, terminal and covering are one-body molded, and wherein, said covering comprises: the elastic resin around near the end this connecting portion that is positioned at that is arranged on said connecting portion and said outer skin zone; This elastic resin is engaged in said outer skin zone, is crimped on said terminal simultaneously; And be arranged on around the said elastic resin so that compress this elastic resin and be engaged in the resin of this elastic resin.
Advantage of the present invention
In the integral formation method according to connector of the present invention, elastic resin is engaged in outer skin zone, and this elastic resin is engaged in said resin and is crimped on said terminal.Therefore, this elastic resin and resin do not adhere to the said first step and employed mould in second step, and can improve stripping feature.By this way, can suppress harmful effect low such as productivity ratio, alteration of form, and can realize producing in batches.
In addition, in second step, around the said resin of said elastic resin injection moulding so that compress said elastic resin, thereby and said elastic resin be crimped on said terminal and sealed the gap between this elastic resin and the terminal.As a result, need not use other parts to make the connector waterproof, can reduce number of parts and number of assembling steps.
Therefore, can reduce number of parts and boosting productivity.
In addition; In integral formation method according to connector of the present invention; In said second step; Around in the said elastic resin of connecting portion surrounding injection moulding, being positioned near the said connecting portion zone, and near the zone of said outer skin zone that is positioned in the said elastic resin is exposed with said resin injection moulding.Therefore, can make that the lead division of electric wire is flexible, keep the intensity of the lead division of electric wire simultaneously, and can improve the degree of freedom of arranging connector.
Description of drawings
Fig. 1 is the perspective view according to the connector in the embodiment of the invention.
Fig. 2 is the cutaway view of the connector among Fig. 1.
Fig. 3 shows the view that makes according to the integrated process of connector in the embodiment of the invention.
Fig. 4 shows the view that makes according to the integrated process of connector in the embodiment of the invention.
Drawing reference numeral
1 connector
3 cores
5 outer skin zones
7 electric wires
9 connecting portions
11 terminals
13 coverings
15 elastic resins
17 resins
Embodiment
Referring to figs. 1 through Fig. 4, with describing according to the connector of the embodiment of the invention and making the integrated method of this connector.
This connector 1 integrated method that makes comprises: the first step: make said elastic resin 15 injection mouldings around being positioned near these connecting portion 9 ends of said connecting portion 9 and said outer skin zone 5, thereby outer skin zone 5 is engaged with each other with this elastic resin 15; And second the step: after the first step; Make resin 17 injection mouldings so that inwardly push said elastic resin 15 (in brief around said elastic resin 15; Compress this elastic resin 15); Thereby make this elastic resin 15 can be crimped on terminal 11, and this elastic resin 15 is bonded with each other with resin 17.
In addition, in said second step, near connecting portion 9 zones that are positioned in said elastic resin 15 make resin 17 injection mouldings, and near outer skin zone 5 zones that are positioned in this elastic resin 15 are exposed.
Be noted that " joint " is meant that two faces that contact with each other fit each other and become one.On the other hand, " crimping " is meant through applying external force the two parts that contact with each other closely contacted, and when forces, can separate.
Shown in Fig. 1 to 4, connector 1 comprises electric wire 7, terminal 11 and covering 13.Electric wire 7 comprises core 3 and outer skin zone 5, and utilizes and should outer skin zone 5 cover this core 3.The wherein distolateral electrical equipment etc. that is electrically connected on of two ends of electric wire 7, and at another distolateral place exposes a part of core 3 thereby outer skin zone 5 divested.The connecting portion 9 of terminal 11 is connected in this exposed portions serve of core 3.
Covering 13 comprises elastic resin 15 and resin 17.Said elastic resin 15 is by the outer skin zone 5 that is formed by resin that adheres to electric wire 7 and do not adhere to processing such as ester, styrene, alkene, polyurethane, the such material of polyamide family elastomer of the terminal 11 that formed by metal, and said elastic resin 15 has elasticity.This elastic resin 15 be engaged in this outer skin zone 5 with outer skin zone electric wire 75 region facing, thereby, electric wire 7 sealed.As a result, can prevent that sealing or oil flow through the gap between elastic resin 15 and the outer skin zone 5 and is immersed in the connector 1 from electric wire 7.In addition, this elastic resin 15 is not engaged in this terminal 11 with terminal 11 region facing, but resin 17 compressions that keep being set at around the elastic resin 15 and hardened.Because elastic resin 15 is undersized resilience because of resin 17 imposed deformations that hardened, the space between this elastic resin 15 and the terminal 11 is filled, and this elastic resin 15 is crimped on this terminal 11.By this way, sealed terminal 11, and can prevent that sealing or oil flow through the gap between elastic resin 15 and the terminal 11 and is immersed in the connector 1 from terminal 11.
As stated, through elastic resin 15 being crimped on the outer skin zone 5 of electric wire 7, with electric wire 7 sealings of connector 1.On the other hand, in the terminal 11 side places of connector 1, the injection pressure when utilizing resin 17 moulding; Elastic resin 15 shrinks, and utilizes the resilience of the elastic resin 15 of resin 17 inside of having hardened, makes this elastic resin 15 be crimped on terminal 11; Thereby, sealed this terminal 11.In addition, sealed gap between elastic resin 15 and the resin 17 through being bonded with each other.Therefore, eliminated water or the gap that possibly immerse of oil, and the inside of hermetically sealed connector 1 fully.
Here, with the integral formation method of describing connector 1.
At first; Through adopting the mould (not shown); With elastic resin 15 injection mouldings to pressing the connecting portion 9 of the terminal 11 of embeddings with the core that exposes of electric wire 73; And the outer skin zone 5 of electric wire 7 be positioned near the zone near the end the said connecting portion, thereby with elastic resin 15 coverings with said connecting portion 9, and the said end of outer skin zone 5 and elastic resin 15 are engaged with each other.In this case, but elastic resin 15 is engaged in outer skin zone 5 is not engaged in terminal 11 (first step).
Then; To be placed at the product after the first step is accomplished in mould 19 and 21; And from the hole 23 of this mould 19,21 and the used material of 25 injecting resins 17; Thereby center on elastic resin 15 with resin 17 injection mouldings, so that inwardly push elastic resin 15 (in brief, elasticity of compression resin 15).In this case, shown in the arrow labeled among the figure, elastic resin 15 is absorbed in to the inside of mould 19,21 owing to the injection pressure of resin 17.At this moment, elastic resin 15 engages with the zone that resin 17 is in contact with one another, and hole 27 and 29 immersions of resin 17 from be arranged on elastic resin 15, thereby makes elastic resin 15 and resin 17 get into incorporate state (second step).
In said second step, to being positioned near the zone the connecting portion 9 in the connecting portion 9 injection molding said elastic resins 15, and near outer skin zone 5 zones that are positioned in this elastic resin 15 are exposed resin 17 injection mouldings.Through injection-molded resin 17 by this way, make the lead division of the electric wire 7 that has exposed portions serve 18 because the elasticity of elastic resin 15 and flexible has been kept the rigidity of said lead division owing to being coated with this elastic resin 15 simultaneously.As a result, even in the narrow positions that the extraction location of electric wire 7 is restricted, also can arrange this connector 1.
With above-mentioned step 1 in the body formed connector 1, the gap that does not exist water or oil to immerse, and the inside that is mounted with the connector 1 of connecting portion 9 is sealed fully.
In the integral formation method of above-mentioned connector 1, elastic resin 15 is engaged in outer skin zone 5, and this elastic resin 15 is engaged in resin 17 and is crimped on terminal 11.Therefore, elastic resin 15 does not adhere to the said first step with resin 17 and employed metal die in second step, and can promote stripping feature.As a result, can suppress the harmful effect of for example productivity ratio decline, alteration of form, and can realize producing in batches.
In addition, in second step, around elastic resin 15 injection-molded resins 17, so that to the lateral surface of this elastic resin 15 of internal compression.As a result, utilize the resilience of the elastic resin 15 of resin 17 inside of having hardened, this elastic resin 15 is crimped on terminal 11, and the gap between elastic resin 15 and the terminal 11 is sealed.As a result, seal the terminals side of electric wire 7, and need not use other parts to make connector 1 waterproof, and can reduce number of parts and number of assembling steps.
Therefore, can reduce number of parts, and can boost productivity.
In addition, in second step, to being positioned near the zone the connecting portion 9 in the connecting portion 9 injection molding said elastic resins 15, and near outer skin zone 5 zones that are positioned in this elastic resin 15 are exposed resin 17 injection mouldings.Therefore, can make that the lead division of electric wire 7 is flexible, keep the rigidity of the lead division of said electric wire 7 simultaneously, and can improve the degree of freedom of arranging connector 1.
In connector,, improved water resistance through elastic resin and resin are engaged with each other according to the embodiment of the invention.Yet, if can said elastic resin and resin be engaged with each other so that said elastic resin closely contacts with said resin through the said resin of injection moulding.
Although describe the present invention in detail with reference to specific embodiment, it will be apparent to one skilled in the art that can increase various improvement and modification under the situation that does not break away from the spirit and scope of the present invention.
The present invention is based on the Japanese patent application of submitting on June 30th, 2009 (application No.2009-154937), thereby its content is incorporated into this by reference.
Claims (3)
1. the integral formation method of a connector; Be used to make the moulding integratedly of electric wire, terminal and covering; This electric wire has the core that is covered by outer skin zone; This terminal have with electric wire pass through divest the connecting portion that core that said outer skin zone exposes links to each other, this covering is arranged on around the said connecting portion, said method comprises:
The first step, around said connecting portion and said outer skin zone be positioned near the end of this connecting portion, with elastic resin injection moulding, thereby said outer skin zone and this elastic resin are engaged with each other; And
In second step,,,, simultaneously, said elastic resin and said resin are engaged with each other so that compress this elastic resin with the resin injection moulding around said elastic resin.
2. according to the integral formation method of the connector of claim 1, wherein,
In said second step, be positioned near the zone the said connecting portion in the said elastic resin, with said resin injection moulding, near the zone of the said outer skin zone of being positioned at of said elastic resin is exposed.
3. connector comprises: electric wire, this electric wire have the core that is covered by outer skin zone; Terminal, this terminal have with said electric wire pass through to divest the connecting portion that core that said outer skin zone exposes links to each other; And covering, this covering is arranged on around the said connecting portion, and said electric wire, terminal and covering are one-body molded, and wherein, said covering comprises:
Be arranged on the elastic resin around near the end this connecting portion that is positioned at of said connecting portion and said outer skin zone, this elastic resin is engaged in said outer skin zone, is crimped on said terminal simultaneously; And be arranged on around the said elastic resin so that compress this elastic resin and be engaged in the resin of this elastic resin.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009154937A JP5308935B2 (en) | 2009-06-30 | 2009-06-30 | Connector molding method |
| JP2009-154937 | 2009-06-30 | ||
| PCT/JP2010/060394 WO2011001840A1 (en) | 2009-06-30 | 2010-06-18 | Method for integrally forming connector, and connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102804513A true CN102804513A (en) | 2012-11-28 |
| CN102804513B CN102804513B (en) | 2015-01-07 |
Family
ID=43410918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080028869.7A Active CN102804513B (en) | 2009-06-30 | 2010-06-18 | Method for integrally forming connector, and connector |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8480421B2 (en) |
| EP (1) | EP2451019B1 (en) |
| JP (1) | JP5308935B2 (en) |
| CN (1) | CN102804513B (en) |
| WO (1) | WO2011001840A1 (en) |
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| TWI352463B (en) * | 2008-01-23 | 2011-11-11 | Waterproof connector and method for the same | |
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| CN105009376B (en) * | 2013-03-01 | 2017-11-03 | 株式会社自动网络技术研究所 | Wire harness |
| CN105144492A (en) * | 2013-04-30 | 2015-12-09 | 矢崎总业株式会社 | Connector |
| CN105164869A (en) * | 2013-04-30 | 2015-12-16 | 矢崎总业株式会社 | Connector |
| CN104901098A (en) * | 2014-03-06 | 2015-09-09 | 住友电气工业株式会社 | Cable with connector |
| CN104960140A (en) * | 2015-05-08 | 2015-10-07 | 上海飞乐汽车控制系统有限公司 | Compact injection molding method of injection molding part with wire |
| CN105047274A (en) * | 2015-06-28 | 2015-11-11 | 中航光电科技股份有限公司 | Prefabricated cable and cable assembly using prefabricated cable |
| CN105185433A (en) * | 2015-06-28 | 2015-12-23 | 中航光电科技股份有限公司 | Armored cable and cable assembly using same |
| CN107735907B (en) * | 2015-07-10 | 2019-07-23 | 株式会社自动网络技术研究所 | The manufacturing method of the electric wire of the electric wire and resin molded item of resin molded item |
| CN107735907A (en) * | 2015-07-10 | 2018-02-23 | 株式会社自动网络技术研究所 | The manufacture method of the electric wire of resin molded item and the electric wire of resin molded item |
| CN106816739A (en) * | 2017-01-18 | 2017-06-09 | 维沃移动通信有限公司 | A kind of interface structure, preparation method and mobile terminal |
| CN111435774A (en) * | 2019-01-15 | 2020-07-21 | 矢崎总业株式会社 | Waterproof structure |
| CN111435774B (en) * | 2019-01-15 | 2021-10-26 | 矢崎总业株式会社 | Waterproof structure |
| CN113140929A (en) * | 2020-01-17 | 2021-07-20 | 矢崎总业株式会社 | Connector with a locking member |
Also Published As
| Publication number | Publication date |
|---|---|
| US8480421B2 (en) | 2013-07-09 |
| WO2011001840A1 (en) | 2011-01-06 |
| JP5308935B2 (en) | 2013-10-09 |
| CN102804513B (en) | 2015-01-07 |
| JP2011014260A (en) | 2011-01-20 |
| EP2451019A1 (en) | 2012-05-09 |
| US20120040571A1 (en) | 2012-02-16 |
| EP2451019B1 (en) | 2018-09-19 |
| EP2451019A4 (en) | 2014-04-23 |
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